CN201282385Y

CN201282385Y - Motor with switch power supply board, control circuit board and screening casing

Info

Publication number: CN201282385Y
Application number: CNU2008201667648U
Authority: CN
Inventors: 管洪安
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-20
Filing date: 2008-10-20
Publication date: 2009-07-29
Anticipated expiration: 2018-10-20

Abstract

The utility model relates to the manufacturing field of motors, in particular to a motor which is provided with a switch power supply plate, a control circuit board and a shielding casing, and is applied to financial tool products. The motor is characterized in that on the basis of the structure of an original motor, a shielding inner hood is enclosed by the shielding casing, and the switch power supply plate and the control circuit board are mounted in a space between the shielding casing and a rear cover as well as between the shielding casing and a shielding rear cover; a start/stop braking controller and a speed-regulation start/stop braking controller are mounted on the control circuit board; and the shielding casing has four shapes. The motor has the advantages that a switch power supply is a regulated power supply for a pulse-width modulation control switch, and has the characteristics of high efficiency, small size and low cost; the controllers can accurately control the start, stop, running and speed regulation of the motor and solves the inertia rotation problem with the motor and the rotating speed control problem during operation of the motor, so that the start and the stop of the motor are reliable, the braking force thereof is great, the speed regulation takes effect, the circuit design is simple and the cost of the application of common components is low; and the shielding casing improves the anti-electromagnetic interference ability of the motor.

Description

The motor of Switching Power Supply plate, control circuit board and screening can is housed

Technical field

The utility model relates to field of motor manufacturing, particularly is applied to the motor that Switching Power Supply plate, control circuit board and screening can are housed on the financial machine and tool product.

Background technology

Motor in the past owing to there is not stabilized voltage power supply, makes motor not steady when operation; Because the inertia during motor rotation, also continuing when need stop to change several circles, causes the counting precision not guarantee; Owing to there is not a speed-regulating function, when at different Currency Type counting, can not change counting speed.

The utility model content

The purpose of this utility model is at above-mentioned defective, and a kind of motor that Switching Power Supply plate, control circuit board and screening can are housed is provided.

The technical solution of the utility model is the motor that Switching Power Supply plate, control circuit board and screening can are housed, comprise motor shaft 1, bearing 2, preceding support 3, shielding inner cover 5, casing 6, magnetic shoe 7, rotor 8, commutator 9, bonnet 10, back support 12, shielding bonnet 14, it is characterized in that said outside at shielding inner cover 5 is inclusive with screening can 4, in the space between screening can 4 and bonnet 10 and shielding bonnet 14 Switching Power Supply plate 11 and control circuit board 13 are installed.

On the said control circuit board 13 start-stop brake controller and speed-regulation start/stop brake controller are installed.

It is round cup shape or round pot shape or square opening lid shape or square opening band handle lid shape that said screening can 4 has four kinds of shapes.

Said Switching Power Supply plate 11 comprises rectification circuit, filter circuit, transforming circuit, switching circuit, feedback circuit, half-wave control circuit, motor control circuit, control signal circuit, output DC volt circuit; The output of said rectification circuit is connected with the input of filter circuit, the output of filter circuit is connected with the input of transforming circuit, the output of transforming circuit is connected with the output dc voltage circuit input end, feedback is connected with the earth terminal of transforming circuit with switching circuit one end, one end is connected with output DC positive pressure 5V end, the other end is connected with U4 in the transforming circuit, be connected by the common ends of electrolytic capacitor again with filter circuit two electrolytic capacitors, half-wave control circuit one end is connected with ac power input end, and the other end is connected with output DC pressure side 12V; Motor control circuit one end and output dc voltage are rectified 12V and are connected, and an end is connected with direct current machine, and the other end passes through resistance 1K, 3K to be held with 5V just and be connected, and draw output among two resistance 1K and the 3K and are connected with C; The negative 5V of said output DC volt circuit output, positive 5V and positive 12V voltage.

Said feedback and switching circuit are electrically connected by voltage-stabiliser tube, 2 resistance and compound tube PC817 connection in series-parallel to be formed; Said half-wave control circuit is composed in parallel by compound tube, diode and 2 resistance string; Said motor control circuit is composed in parallel by triode, thyristor and 2 resistance string.

Start-stop brake controller on the said control circuit board 13 comprises AC power inlet wire interface J ₁, computer control input interface J ₃, AC power incoming relay-protection circuit, bridge rectifier filter circuit, startup carry out control circuit, shut down the brake circuit, starting/the stop control circuit that brakes; AC power inlet wire interface J ₁Be connected with AC power incoming relay-protection circuit input end, AC power incoming relay-protection circuit output end is connected with the bridge rectifier filter circuit input; The bridge rectifier filter circuit output is carried out the control circuit input with startup and is connected, and starts execution control circuit output and is connected with the starting/control circuit input that stops to brake; Start/stop to brake the control circuit output with shut down brake control circuit input and be connected, shut down brake control circuit output and direct current machine interface J ₂Be connected; Start/stop to brake another output of control circuit and computer control input interface J ₃Be connected.

Said bridge rectifier filter circuit passes through resistance R ₁One of two ends end and the triode T that starts on the execution control circuit ₁Link to each other, again with resistance R ₂R ₃Be connected the other end and triode T ₃T ₄Emitter link to each other; The triode T on the control circuit is carried out in said startup ₁Again with start/stop the resistance R of braking on the control circuit ₅Be connected the triode T on it ₃Base stage and resistance R ₆Be connected triode T ₃T ₄Emitter and triode T ₅Emitter be connected; Resistance R on the said starting/control circuit that stops to brake ₅And resistance R ₉Common ends and the T that shuts down on the brake control circuit ₂Pipe is connected, resistance R ₉The other end and T ₂Pipe positive pole and resistance 10 link to each other T ₅The pipe emitter again with T ₂Pipe negative pole and R10 link to each other; Said shutdown brake control circuit T ₂Resistance R is passed through at pipe output two ends ₁₁With direct current machine interface J ₂Join; Said computer control input interface J ₃With resistance R ₈Two ends link to each other to insert and start/stop the control circuit that brakes.

Said speed-regulation start/stop brake controller comprises AC power incoming relay-protection circuit, bridge rectifier filter circuit, startup execution control circuit, shutdown brake circuit, the starting/control circuit that stops to brake, motor speed adjustment control interface J4, DT6; AC power inlet wire interface J ₁Be connected with AC power incoming relay-protection circuit input end, AC power incoming relay-protection circuit output end is connected with the bridge rectifier filter circuit input; The bridge rectifier filter circuit output is carried out the control circuit input with startup and is connected, and starts execution control circuit output and is connected with the starting/control circuit input that stops to brake; Start/stop to brake the control circuit output with shut down brake control circuit input and be connected, shut down brake control circuit output and direct current machine interface J ₂Be connected; Start/stop to brake another output of control circuit and computer control input interface J ₃Be connected; Alignment circuit output 3, start-up circuit input link to each other, and the other end is connected with computer control input interface J4.

Bridge rectifier filter circuit in the said speed-regulation start/stop brake controller passes through resistance R ₁One of two ends end and the triode T that starts on the execution control circuit ₁Link to each other, again with resistance R ₂R ₃Be connected the other end and triode T ₃T ₄Emitter link to each other; The triode T on the control circuit is carried out in said startup ₁Again with start/stop the resistance R of braking on the control circuit ₅Be connected the triode T on it ₃Base stage and resistance R ₆Be connected triode T ₃T ₄Emitter and triode T ₅Emitter be connected; Resistance R on the said starting/control circuit that stops to brake ₅And resistance R ₉Common ends and the T that shuts down on the brake control circuit ₂Pipe is connected, resistance R ₉The other end and T ₂Pipe positive pole and resistance 10 link to each other T ₅The pipe emitter again with T ₂Pipe negative pole and R10 link to each other; Said shutdown brake control circuit T ₂Resistance R is passed through at pipe output two ends ₁₁With direct current machine interface J ₂Join; Said computer control input interface J ₃With resistance R ₈Two ends link to each other to insert and start/stop the control circuit that brakes; Said alignment circuit is made up of interface J4, DT6, R1K, R10K connection in series-parallel, and the alignment circuit output is electrically connected with start-up circuit input T1.

The utility model has the advantages that owing to what install on the Switching Power Supply plate it is a kind of pulse width modulation control switch stabilized voltage power supply, the characteristics of this power supply be efficient, volume is little, cost is low, offer paper money counter and cross paper money direct current machine drive control power supply, provide the halfwave rectifier power supply to paper money counter simultaneously; Steady operation and specific (special) requirements for paper money counter provide good condition; Because start-stop brake controller and speed-regulation start/stop brake controller are installed, startup to motor stops, turning round, rotates and play accurate control action, finish motor when outage and stopping operating, it is motionless to brake immediately, rotating speed control problem when having solved the inertia rotational problems of motor and motor rotation.It is big that startup stops reliable brake weight, and speed governing is effective, and circuit design is simple, and it is low to use common components and parts cost.Owing to strengthened shielding, improved the ability of the anti-electromagnetic interference of motor.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a Switching Power Supply plate circuit block diagram.

Fig. 3 is Switching Power Supply plate circuit theory diagrams.

Fig. 4 is the circuit theory diagrams of start-stop brake controller.

Fig. 5 is the circuit theory diagrams of speed-regulation start/stop brake controller.

Fig. 6-Figure 13 is four kinds of shape schematic diagrames of screening can.

Embodiment

Further specify embodiment below in conjunction with accompanying drawing.

With reference to Fig. 1, support, 13-control circuit board, 14 shielding bonnets, 15 connecting lines, 16-components and parts, 17-components and parts behind 1-motor shaft, 2-bearing, the preceding support of 3-, 4-screening can, 5-shielding inner cover, 6-casing, 7-magnetic shoe, 8-rotor, 9-commutator, 10-bonnet, 11-Switching Power Supply plate, the 12-.As shown, be inclusive with screening can 4, in the space between screening can 4 and bonnet 10 and shielding bonnet 14 Switching Power Supply plate 11 and control circuit board 13 be installed in the outside of shielding inner cover 5.Start-stop brake controller and speed-regulation start/stop brake controller are installed on the control circuit board 13.

With reference to Fig. 2, the circuit block diagram of display switch power panel.Whole circuit is made up of rectification circuit, filter circuit, transforming circuit, feedback and switching circuit, half-wave control circuit, motor control circuit, control signal circuit and output dc voltage circuit.Its operation principle is mains ac power supply 220V, through bridge rectifier is high direct voltage through DC filtering again, be modulated to high-frequency pulse voltage through pulsewidth, operating frequency is 60KHZ, just transformation is controlled through the sampling feedback linearization again, and voltage stabilizing is finished in controlled pulse-width modulation, to the direct current machine drive controlling, again power supply is carried out half-wave alternating current output Linear Control.

With reference to Fig. 3 is the electrical schematic diagram of switching power supply.Chart display the type and spec of each electronic devices and components.As shown, civil power alternating current 220V input interface J1, through the bridge rectifier rectification, input filter circuit filtering, just the output of rectification circuit is connected with the input of filter circuit, the output of filter circuit is connected with the input of transforming circuit, the output of transforming circuit is connected with the output dc voltage circuit input end, feedback is connected with the earth terminal of transforming circuit with switching circuit one end, one end is connected with output DC positive pressure 5V end, the other end is connected with U4 in the transforming circuit, be connected by the common ends of electrolytic capacitor again with filter circuit two electrolytic capacitors, half-wave control circuit one end is connected with ac power input end, and the other end is connected with output DC pressure side 12V; Motor control circuit one end and output dc voltage are rectified 12V and are connected, and an end is connected with direct current machine, and the other end passes through resistance 1K, 3K to be held with 5V just and be connected, and draw output among two resistance 1K and the 3K and are connected with C; The negative 5V of output DC volt circuit output, positive 5V and positive 12V voltage.Feedback and switching circuit are made up of voltage-stabiliser tube, 2 resistance and compound tube PC817 connection in series-parallel electrical connection; The half-wave control circuit is composed in parallel by compound tube, diode and 2 resistance string; Said motor control circuit is composed in parallel by triode, thyristor and 2 resistance string.Three kinds of power supplys of output DC volt circuit output: the one, negative 5V, the 2nd, positive 5V, the 3rd, positive 12V power supply offers paper money counter and uses.This power supply is the pulse width modulating switch stabilized voltage power supply, as is used on the paper money counter of financial machine and tool product to be again paper money small machine drive control power supply, and also to be the special-purpose halfwave rectifier power supply of paper money counter.

With reference to Fig. 4, start-stop brake controller comprises AC power inlet wire interface J ₁, computer control input interface J ₃, by AC power incoming relay-protection circuit, bridge rectifier filter circuit, startup carry out control circuit, shut down the brake control circuit, the starting/control circuit that stops to brake is formed, be installed on the printed substrate after, be installed in the motor case again.By the reasonable connection of each circuit realize the control motor startup, driving, rotate and stop to add the whole process of brake.Fig. 4 is the start-stop brake controller electrical schematic diagram.As shown, AC power inlet wire interface J ₁Be connected with the input of protective circuit, and the output of AC power incoming relay-protection circuit is connected with the bridge rectifier filter circuit input; The output of bridge rectifier filter circuit passes through resistance R ₁One of two ends end and the triode T that starts input on the execution control circuit ₁Link to each other again and resistance R ₂R ₃Be connected, and the other end and triode T ₃T ₄Emitter link to each other.Start triode T on the output of carrying out control circuit ₁With start/stop the resistance R of control circuit input of braking ₅Be connected triode T ₃Base stage and resistance R ₆Be connected triode T ₃T ₄Emitter and triode T ₅Emitter be connected.Start/stop the control circuit output resistance R of braking ₅And resistance R ₉Common ends and the T that shuts down brake control circuit input ₂Pipe is connected, resistance R ₉The other end and T ₂Positive pole and resistance 10 link to each other T ₅The pipe emitter again with T ₂Pipe negative pole and resistance R 10 link to each other.Shut down the T of brake control circuit ₂Resistance R is passed through at pipe output two ends ₁₁With direct current machine interface J ₂Join.Computer control input interface J ₃With resistance R ₈Two ends link to each other and insert and start/stop the output of control circuit of braking.

The components and parts configuration is as follows in the circuit: YMPPT, D1-D4 1N007, C1 10 μ f/250V, R1=R2=R4=R9=100K, R3=10K, R5=10 Ω/5W, R6=R10=20K, R8=10K, triode T ₃, T ₄, T ₅Be 13001, T ₁ZRF9640, T ₂ZRF640, D ₅TLP521.This control circuit is by the power supply of 110V power supply, by starting/stop the two condition interlock function that brakes control circuit realization startup and stop, do not stop brake when promptly starting, and brake the time stops to start, and with the realization of 74H00 chip flip and flop generator the locking of control circuit order of braking is started/stopped in input.RC adjusts the two condition time-lag action of swap time in this circuit, the time of exchange between may command starting and the brake.

The circuit working principle is the whole control process of controlling starting, the driving of motor, rotating and stop to add brake, and when requiring computer control input starting command, the order that controller can provide starting to rotate is normally rotated motor; When receiving computer control input when stopping operating order, just send the order that stops operating, and in the motor stall, provide the function of brake at once, finish the rotation noninertia that motor brakes immediately and makes motor in the outage that stops operating, it is motionless to brake immediately.

With reference to Fig. 5, the circuit of speed-regulation start/stop brake controller comprises AC power inlet wire interface J ₁, direct current machine interface J ₂, computer control input interface J ₃Adjust control interface J4, DT6 and form by AC power incoming relay-protection circuit, bridge rectifier filter circuit, startup execution control circuit, shutdown brake control circuit, the starting/control circuit that stops to brake, motor speed; after being installed on the printed substrate, be installed in again in the direct current machine housing.By the reasonable connection of each circuit realize the dynamo-electric machine of control counting startup, driving, rotate and stop to add the whole process of brake.As shown, AC power inlet wire interface J ₁Be connected with the input of protective circuit, and the output of AC power incoming relay-protection circuit is connected with the bridge rectifier filter circuit input; The output of bridge rectifier filter circuit passes through resistance R ₁One of two ends end and the triode T that starts input on the execution control circuit ₁Link to each other again and resistance R ₂R ₃Be connected, and the other end and triode T ₃T ₄Emitter link to each other.Start triode T on the output of carrying out control circuit ₁With start/stop the resistance R of control circuit input of braking ₅Be connected triode T ₃Base stage and resistance R ₆Be connected triode T ₃T ₄Emitter and triode T ₅Emitter be connected.Start/stop the control circuit output resistance R of braking ₅And resistance R ₉Common ends and the T that shuts down brake control circuit input ₂Pipe is connected, resistance R ₉The other end and T ₂Positive pole and resistance 10 link to each other T ₅The pipe emitter again with T ₂Pipe negative pole and resistance R 10 link to each other.Shut down the T of brake control circuit ₂Resistance R is passed through at pipe output two ends ₁₁With direct current machine interface J ₂Join.Computer control input interface J ₃With resistance R ₈Two ends link to each other and insert and start/stop the output of control circuit of braking.Alignment circuit output links to each other with the start-up circuit input, and another input is connected with computer control interface J4.

The components and parts configuration is as follows in the circuit: YMPPT, D1-D4 1N007, C1 10 μ f/250V, R1=R2=R4=R9=200K, R3=10K, R5=20 Ω/10W, R6=R10=20K, R8=10K, triode T ₃, T ₄, T ₅Be 13001, T ₁FQZP40, T ₂IRF740, DT ₅TLP521, DT6TLP521, speed regulating control interface comprise J4, DT6, R1K, R10K element.This control circuit is by 220V power supply power supply, and realize the two condition interlock function that starts and stop or not brake when promptly starting by starting/stop the control circuit that brakes, and stop to start during brake,

The circuit working principle is the whole control process of controlling starting, the driving of motor, rotating and stop to add brake, and when requiring computer control input starting command, the order that controller can provide starting to rotate is normally rotated motor; The motor rotation process or during, can be input to the speed of J4 and DT6 element control motor by computer, reach the purpose of modulating motor rotating speed.When receiving computer control input when stopping operating order, just send the order that stops operating, and in the motor stall, provide the function of brake at once, finish the rotation noninertia that motor brakes immediately and makes motor in the outage that stops operating, it is motionless to brake immediately.

With reference to Fig. 6-Figure 13, be four kinds of shape schematic diagrames of screening can 4.Its shape is round cup shape or round pot shape or square opening lid shape or square opening band handle lid shape.Fig. 6 is the cutaway view of Fig. 7, and Fig. 7 is a vertical view; Fig. 8 is the cutaway view of Fig. 9, and Fig. 9 is a vertical view; Figure 10 is the cutaway view of Figure 11, and Figure 11 is a vertical view; Figure 12 is the cutaway view of Figure 13, and Figure 13 is a vertical view.

Claims

1, the motor of Switching Power Supply plate, control circuit board and screening can is housed, comprise motor shaft (1), bearing (2), preceding support (3), shielding inner cover (5), casing (6), magnetic shoe (7), rotor (8), commutator (9), bonnet (10), back support (12), shielding bonnet (14), it is characterized in that said outside at shielding inner cover (5) is inclusive with screening can (4), in the space between screening can (4) and bonnet (10) and shielding bonnet (14) Switching Power Supply plate (11) and control circuit board (13) are installed.

2,, it is characterized in that on the said control circuit board (13) start-stop brake controller and speed-regulation start/stop brake controller being installed according to the said motor that switch power supply plate, control circuit board and screening can are housed of claim 1.

3,, it is characterized in that it is round cup shape or round pot shape or square opening lid shape or square opening band handle lid shape that said screening can (4) has four kinds of shapes according to the said motor that Switching Power Supply plate, control circuit board and screening can are housed of claim 1.

4,, it is characterized in that said Switching Power Supply plate (11) comprises rectification circuit, filter circuit, transforming circuit, switching circuit, feedback circuit, half-wave control circuit, motor control circuit, control signal circuit, output DC volt circuit according to the said motor that Switching Power Supply plate, control circuit board and screening can are housed of claim 1; The output of said rectification circuit is connected with the input of filter circuit, the output of filter circuit is connected with the input of transforming circuit, the output of transforming circuit is connected with the output dc voltage circuit input end, feedback is connected with the earth terminal of transforming circuit with switching circuit one end, one end is connected with output DC positive pressure 5V end, the other end is connected with U4 in the transforming circuit, be connected by the common ends of electrolytic capacitor again with filter circuit two electrolytic capacitors, half-wave control circuit one end is connected with ac power input end, and the other end is connected with output DC pressure side 12V; Motor control circuit one end and output dc voltage are rectified 12V and are connected, and an end is connected with direct current machine, and the other end passes through resistance 1K, 3K to be held with 5V just and be connected, and draw output among two resistance 1K and the 3K and are connected with C; The negative 5V of said output DC volt circuit output, positive 5V and positive 12V voltage.

5,, it is characterized in that said feedback and switching circuit are electrically connected by voltage-stabiliser tube, 2 resistance and compound tube PC817 connection in series-parallel to form according to the said motor that Switching Power Supply plate, control circuit board and screening can are housed of claim 4; Said half-wave control circuit is composed in parallel by compound tube, diode and 2 resistance string; Said motor control circuit is composed in parallel by triode, thyristor and 2 resistance string.

6,, it is characterized in that the start-stop brake controller on the said control circuit board (13) comprises AC power inlet wire interface J according to claim 1 or the 2 said motors that Switching Power Supply plate, control circuit board and screening can are housed ₁, computer control input interface J ₃, AC power incoming relay-protection circuit, bridge rectifier filter circuit, startup carry out control circuit, shut down the brake circuit, starting/the stop control circuit that brakes; AC power inlet wire interface J ₁Be connected with AC power incoming relay-protection circuit input end, AC power incoming relay-protection circuit output end is connected with the bridge rectifier filter circuit input; The bridge rectifier filter circuit output is carried out the control circuit input with startup and is connected, and starts execution control circuit output and is connected with the starting/control circuit input that stops to brake; Start/stop to brake the control circuit output with shut down brake control circuit input and be connected, shut down brake control circuit output and direct current machine interface J ₂Be connected; Start/stop to brake another output of control circuit and computer control input interface J ₃Be connected.

7,, it is characterized in that said bridge rectifier filter circuit passes through resistance R according to the said motor that Switching Power Supply plate, control circuit board and screening can are housed of claim 6 ₁One of two ends end and the triode T that starts on the execution control circuit ₁Link to each other, again with resistance R ₂R ₃Be connected the other end and triode T ₃T ₄Emitter link to each other; The triode T on the control circuit is carried out in said startup ₁Again with start/stop the resistance R of braking on the control circuit ₅Be connected the triode T on it ₃Base stage and resistance R ₆Be connected triode T ₃T ₄Emitter and triode T ₅Emitter be connected; Resistance R on the said starting/control circuit that stops to brake ₅And resistance R ₉Common ends and the T that shuts down on the brake control circuit ₂Pipe is connected, resistance R ₉The other end and T ₂Pipe positive pole and resistance 10 link to each other T ₅The pipe emitter again with T ₂Pipe negative pole and R10 link to each other; Said shutdown brake control circuit T ₂Resistance R is passed through at pipe output two ends ₁₁With direct current machine interface J ₂Join; Said computer control input interface J ₃With resistance R ₈Two ends link to each other to insert and start/stop the control circuit that brakes.

8, according to the said motor that Switching Power Supply plate, control circuit board and screening can are housed of claim 2, it is characterized in that said speed-regulation start/stop brake controller, comprise AC power incoming relay-protection circuit, bridge rectifier filter circuit, startup execution control circuit, shutdown brake circuit, the starting/control circuit that stops to brake, motor speed adjustment control interface J4, DT6; AC power inlet wire interface J ₁Be connected with AC power incoming relay-protection circuit input end, AC power incoming relay-protection circuit output end is connected with the bridge rectifier filter circuit input; The bridge rectifier filter circuit output is carried out the control circuit input with startup and is connected, and starts execution control circuit output and is connected with the starting/control circuit input that stops to brake; Start/stop to brake the control circuit output with shut down brake control circuit input and be connected, shut down brake control circuit output and direct current machine interface J ₂Be connected; Start/stop to brake another output of control circuit and computer control input interface J ₃Be connected; Alignment circuit output 3, start-up circuit input link to each other, and the other end is connected with computer control input interface J4.

9, the said according to Claim 8 motor that Switching Power Supply plate, control circuit board and screening can are housed is characterized in that the bridge rectifier filter circuit in the said speed-regulation start/stop brake controller passes through resistance R ₁One of two ends end and the triode T that starts on the execution control circuit ₁Link to each other, again with resistance R ₂R ₃Be connected the other end and triode T ₃T ₄Emitter link to each other; The triode T on the control circuit is carried out in said startup ₁Again with start/stop the resistance R of braking on the control circuit ₅Be connected the triode T on it ₃Base stage and resistance R ₆Be connected triode T ₃T ₄Emitter and triode T ₅Emitter be connected; Resistance R on the said starting/control circuit that stops to brake ₅And resistance R ₉Common ends and the T that shuts down on the brake control circuit ₂Pipe is connected, resistance R ₉The other end and T ₂Pipe positive pole and resistance 10 link to each other T ₅The pipe emitter again with T ₂Pipe negative pole and R10 link to each other; Said shutdown brake control circuit T ₂Resistance R is passed through at pipe output two ends ₁₁With direct current machine interface J ₂Join; Said computer control input interface J ₃With resistance R ₈Two ends link to each other to insert and start/stop the control circuit that brakes; Said alignment circuit is made up of interface J4, DT6, R1K, R10K connection in series-parallel, and the alignment circuit output is electrically connected with start-up circuit input T1.